Black Rock

#130331

General Information about #130331

The hex color #130331, also known as Black Rock, is a very dark, muted shade of purple. It is composed of 7.45% red, 1.18% green, and 19.22% blue. In the RGB color model, this color is defined by the values (19, 3, 49). When converted to the CMYK color model, its components are 0% cyan, 88.78% magenta, 0% yellow, and 80.78% black. This color falls within the dark purple hue range, and its hexadecimal representation makes it easy to use in digital design and web development. Due to its high black component, it often appears nearly black. Black Rock evokes feelings of mystery, sophistication, and depth. Understanding its composition helps designers effectively incorporate it into various projects.

The hex color #130331, also known as Black Rock, presents significant accessibility challenges, especially in web design. Its extremely low lightness value results in very poor contrast against white text, failing WCAG (Web Content Accessibility Guidelines) standards for readability. To ensure accessibility, it is crucial to avoid using #130331 as a background color with light text or as a text color on light backgrounds. If this color is essential to the design, consider using it sparingly for decorative elements only. For text and interactive elements, pair it with significantly lighter colors, such as shades of white or very light grays, and ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text, as defined by WCAG. Careful color contrast checking is vital to make content usable for individuals with visual impairments.

Shades

Digital Color Formats

RGB
19 3 49
RGB19 3 49
Red
Green
Blue
HSL
260.87deg 88.46% 10.2%
260.8788.4610.2HSL
Hue
Saturation
Lightness
HWB
260.87deg 1.18% 80.78%
260.871.1880.78HWB
Hue
Whiteness
Blackness
hex#130331
rgb19 3 49
hsl260.87deg 88.46% 10.2%
cmyk61.22% 93.88% 0% 80.78%
hwb260.87deg 1.18% 80.78%
xyz-d650.01 0 0.03
oklch0.1726 0.0855 291.88
oklab0.1726 0.03 -0.08
CMYK
61.22% 93.88% 0% 80.78%
61.2293.88080.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1726 0.0855 291.88
0.17260.0855291.88LCH
Lightness
Chroma
Hue
OKLAB
0.1726 0.03 -0.08
0.17260.03-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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